All of the following expressions simplify to -5x + 7, except ( x - 2) - (6 x - 9)
(5 x + 1) - (-10 x + 6)
-4 x + 2 x + 7 - 3 x
(4 x + 3) + (-9 x + 4)

41/2 - 1 1/3 what is the answer as a fraction?

Find the commission on a $590.00 sale if the commission is 15%.

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?